Frost dates in Blanchester, OH
The average last spring frost in Blanchester is around April 22 and the first fall frost is around October 22. That gives Blanchester an average growing season of about 183 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 1 |